A compound shows IR peaks at: 3300 cm-1(m), 2350 cm-1(w/m), 1710 cm-1(s), 700 cm-1(s). What kind...
A compound shows IR peaks at: 3300 cm-1(m), 2350 cm-1(w/m), 1710 cm-1(s), 700 cm-1(s). What kind of functional groups are present in the compound?
A NMR spectrum shows the following peak patterns: 1.00 ppm (9H, s), 1.10 ppm (6H, d), 3.6 ppm (1H, heptet), 3.8 ppm (2H, d), 4.1 ppm (2H, d). What kind of substituent fragments are part of the compound?
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A compound shows IR peaks at: 3300 cm-1(m), 2350 cm-1(w/m), 1710
cm-1(s), 700 cm-1(s). What kind...
C. An organic compound A with molecular formula C:Hs0 shows a major peak at 1710 cm-'shows...
C. An organic compound A with molecular formula C:Hs0 shows a major peak at 1710 cm-'shows a positive Tollen's reagent test. When treated with NaBH. in THF, a compound B was obtained that showed IR peaks at 2920, 2850 cm-1 and a broad peak at 3300 cm and gave a negative Lucas test. Partial NMR data (not all peaks shown) of both A and B shows consistently 8 1.1(d, 6H) and 81.5 (m, 1H). Compound B when subjected to treatment...
a) Provide the structure that is consistent with the data below. C7H14O2 IR (cm-1):  
a) Provide the structure that is consistent with the data below. C7H14O2 IR (cm-1): 2950, 1750 1H NMR (d): 2.3 (2H, q), 1.0 (3H, t), 0.9 (9H, s) b) Deduce the identity of the compound from the data provided. C10H14O: IR (cm-1): 3200-3500 (broad), 3050, 2950, 1610 1H NMR(δ): 1.0 (s, 6H), 2.0 (s, 3H), 2.8 (broad s, 1H), 7.3 (d, 2H), 7.6 (d, 2H) c) An unknown compound, C3H5Cl3, gave the following proton NMR...
14. An unknown compound shows an intense IR absorption at 1710 cm- and gives the following...
14. An unknown compound shows an intense IR absorption at 1710 cm- and gives the following NMR spectrum: 8 1.1, doublet, 6Hs; 8 2.1, singlet, 3Hs; and 8 2.3-2.8, broad multiplet, 1H. Which structure is the compound? a) (CH3)2CHOCH3 с) CH:C-O)CH-CH-CH3 ect r b) CH3CH2CH2OCH3 d) (CH3)2CHC(O)CH3 15. This NMR spectrum corresponds to which compound? 2H 1H 1.7 ppm 1H O.5 1.5 1 2 2.5 3.5 4.5 4 5 бн (рpm) b) CH3CH2CH2CH2OH d) CH3CH2CH(OH)CH3 a) (CH3)3COH c) (CH)2СHCH,ОН 13
Propose a structure for a compound whose(M)" is 86 and (M-1)", is 5% of the molecular ion. Its ir shows an absorption at 1720 cm1 and its 'H NMR displays δ 1.1 (d, 6H), δ 2.1 (s, 3 H), an...
Propose a structure for a compound whose(M)" is 86 and (M-1)", is 5% of the molecular ion. Its ir shows an absorption at 1720 cm1 and its 'H NMR displays δ 1.1 (d, 6H), δ 2.1 (s, 3 H), and δ 2.7 (septet/heptet, 1H).
Propose a structure for a compound whose(M)" is 86 and (M-1)", is 5% of the molecular ion. Its ir shows an absorption at 1720 cm1 and its 'H NMR displays δ 1.1 (d, 6H), δ 2.1...
(14 pts.) 2. A spectroscopic road map. Provide the missing reactants, intermediates, and reagents for the following synthetic scheme, based on the initial spectroscopic data. C: CeH20 IR: 1720 cm...
(14 pts.) 2. A spectroscopic road map. Provide the missing reactants, intermediates, and reagents for the following synthetic scheme, based on the initial spectroscopic data. C: CeH20 IR: 1720 cm-1, strong HNMR 9.72 ppm, 1H, SE 2.40 ppm, 2H, t IR: 3300 cm1, sharp HNMR: 2.83 ppm, 1H, s 1.99 ppm, 2H, d 1.80 ppm, 1H, m 0.91 ppm, 6H, d MgBr 1) H2CrO4 2) dil. H,o 1.62 ppm, 1H, m 1.50 ppm, 2H, m 0.91 ppm, 6H, d PPh3...
1. Given the 'H NMR spectrum below and a molecular formula of CH20, provide a structure....
1. Given the 'H NMR spectrum below and a molecular formula of CH20, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 1600-1650 cm' (multiple peaks) (5 pts.) 3H, S 3H. t 2H, d 2H, d 2H, PPM 2. Given the 'H NMR spectrum below and a molecular formula of CH.0, provide a structure. Note you must assign all of the signals in the spectrum below to receive full...
MASS SPECTRUM 100 80- m/z 150 60 40 0.2 20. 00 1000 4500 2500 2000 150) 000 3500 3000 0.0+ 0.0 Wavenurbers (cm-1) on 1...
MASS SPECTRUM 100 80- m/z 150 60 40 0.2 20. 00 1000 4500 2500 2000 150) 000 3500 3000 0.0+ 0.0 Wavenurbers (cm-1) on 160 40 120 13C NMR 2 peaks overlapping 100 20 40 120 60 80 PPM 140 6H H NMR 2H 2H 2H 1H 1H 2 7 5 8 PPM 1. Using the spectra on the next page, solve for the structure of an unknown organic compound. Fòi full credit (and consideration for partial credit) show your...
5. While the carbonyl stretching frequency for simple aldeydes. Ketones is about 1710 cm, the carbony...
5. While the carbonyl stretching frequency for simple aldeydes. Ketones is about 1710 cm, the carbony stretching frequency for esters is about A) 1660 cm B) 1700 cm C) 1735 cm D) 1800 cm E) 2200 cm-1 6. The 'H NMR spectrum of an unknown acid has the following peaks: (ppm) = 12.71 (1H, s). 8.04 (2H, d), 7.30 (2H, d), 2.41 (3H, s) c) ОН 7. What type of product results when 3-pentanone reacts with dimethylamine? A) enolate B)...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
A compound, C,H100, shows an IR peak at 1690 cm. Its 'H NMR spectrum has peaks...
A compound, C,H100, shows an IR peak at 1690 cm. Its 'H NMR spectrum has peaks at delta 7.9 (2H, multiplet), 7.6-7.4 (3H, multiplet), 2.95 (2H, quartet, J = 7 Hz), 1.25 (3H, triplet, J= 7 Hz). Draw its structure in the window below. . You do not have to consider stereochemistry. ChemDoodle A compound, C3H100, exhibits IR absorption at 1730 cm-1. Its carbon NMR shifts and substitution, determined by DEPT, are given below. 13C NMR: 822.6 (3), 23.6 (1),...
C. An organic compound A with molecular formula C:Hs0 shows a major peak at 1710 cm-'shows a positive Tollen's reagent test. When treated with NaBH. in THF, a compound B was obtained that showed IR peaks at 2920, 2850 cm-1 and a broad peak at 3300 cm and gave a negative Lucas test. Partial NMR data (not all peaks shown) of both A and B shows consistently 8 1.1(d, 6H) and 81.5 (m, 1H). Compound B when subjected to treatment...
14. An unknown compound shows an intense IR absorption at 1710 cm- and gives the following NMR spectrum: 8 1.1, doublet, 6Hs; 8 2.1, singlet, 3Hs; and 8 2.3-2.8, broad multiplet, 1H. Which structure is the compound? a) (CH3)2CHOCH3 с) CH:C-O)CH-CH-CH3 ect r b) CH3CH2CH2OCH3 d) (CH3)2CHC(O)CH3 15. This NMR spectrum corresponds to which compound? 2H 1H 1.7 ppm 1H O.5 1.5 1 2 2.5 3.5 4.5 4 5 бн (рpm) b) CH3CH2CH2CH2OH d) CH3CH2CH(OH)CH3 a) (CH3)3COH c) (CH)2СHCH,ОН 13
Propose a structure for a compound whose(M)" is 86 and (M-1)", is 5% of the molecular ion. Its ir shows an absorption at 1720 cm1 and its 'H NMR displays δ 1.1 (d, 6H), δ 2.1 (s, 3 H), and δ 2.7 (septet/heptet, 1H).
Propose a structure for a compound whose(M)" is 86 and (M-1)", is 5% of the molecular ion. Its ir shows an absorption at 1720 cm1 and its 'H NMR displays δ 1.1 (d, 6H), δ 2.1...
(14 pts.) 2. A spectroscopic road map. Provide the missing reactants, intermediates, and reagents for the following synthetic scheme, based on the initial spectroscopic data. C: CeH20 IR: 1720 cm-1, strong HNMR 9.72 ppm, 1H, SE 2.40 ppm, 2H, t IR: 3300 cm1, sharp HNMR: 2.83 ppm, 1H, s 1.99 ppm, 2H, d 1.80 ppm, 1H, m 0.91 ppm, 6H, d MgBr 1) H2CrO4 2) dil. H,o 1.62 ppm, 1H, m 1.50 ppm, 2H, m 0.91 ppm, 6H, d PPh3...
1. Given the 'H NMR spectrum below and a molecular formula of CH20, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 1600-1650 cm' (multiple peaks) (5 pts.) 3H, S 3H. t 2H, d 2H, d 2H, PPM 2. Given the 'H NMR spectrum below and a molecular formula of CH.0, provide a structure. Note you must assign all of the signals in the spectrum below to receive full...
MASS SPECTRUM 100 80- m/z 150 60 40 0.2 20. 00 1000 4500 2500 2000 150) 000 3500 3000 0.0+ 0.0 Wavenurbers (cm-1) on 160 40 120 13C NMR 2 peaks overlapping 100 20 40 120 60 80 PPM 140 6H H NMR 2H 2H 2H 1H 1H 2 7 5 8 PPM 1. Using the spectra on the next page, solve for the structure of an unknown organic compound. Fòi full credit (and consideration for partial credit) show your...
5. While the carbonyl stretching frequency for simple aldeydes. Ketones is about 1710 cm, the carbony stretching frequency for esters is about A) 1660 cm B) 1700 cm C) 1735 cm D) 1800 cm E) 2200 cm-1 6. The 'H NMR spectrum of an unknown acid has the following peaks: (ppm) = 12.71 (1H, s). 8.04 (2H, d), 7.30 (2H, d), 2.41 (3H, s) c) ОН 7. What type of product results when 3-pentanone reacts with dimethylamine? A) enolate B)...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
A compound, C,H100, shows an IR peak at 1690 cm. Its 'H NMR spectrum has peaks at delta 7.9 (2H, multiplet), 7.6-7.4 (3H, multiplet), 2.95 (2H, quartet, J = 7 Hz), 1.25 (3H, triplet, J= 7 Hz). Draw its structure in the window below. . You do not have to consider stereochemistry. ChemDoodle A compound, C3H100, exhibits IR absorption at 1730 cm-1. Its carbon NMR shifts and substitution, determined by DEPT, are given below. 13C NMR: 822.6 (3), 23.6 (1),...
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